Preparing For Installation Requirements Regarding On-Site Connections - Viessmann VITOCAL 242-G Installation And Service Instructions Manual

Preparing for installation
Requirements regarding on-site connections
K
600
500
62
300
387
Fig. 1
DHW
A
DHW circulation
B
Cold water
C
Primary circuit return (heat pump brine outlet)
D
Primary circuit flow (heat pump brine inlet)
E
8
H
111
61
218
147
69
C D
230 V~
400 V~
B
A
/
D E
F
G
80 680
E F G
H
K
< 42 V
A
Secondary circuit flow (heating water)
F
Secondary circuit return (heating water)
G
Solar circuit flow
H
Solar circuit return
K